PID: 6710   TASK: ffff974f9ecb0000  CPU: 1   COMMAND: "ll_ost_io00_002"
 #0 [ffffb5d7c2c43678] machine_kexec at ffffffff8c6850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffb5d7c2c436d0] __crash_kexec at ffffffff8c83e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffb5d7c2c43790] crash_kexec at ffffffff8c83fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffb5d7c2c437a8] oops_end at ffffffff8c637cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffb5d7c2c437c8] no_context.cold.27 at ffffffff8c6a1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffb5d7c2c43820] __bad_area_nosemaphore at ffffffff8c6a0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffb5d7c2c43868] bad_area_nosemaphore at ffffffff8c6a06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffb5d7c2c43870] do_user_addr_fault at ffffffff8c6a10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffb5d7c2c438c0] __do_page_fault at ffffffff8c6a15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffb5d7c2c438e0] do_page_fault at ffffffff8c6a1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffb5d7c2c43910] page_fault at ffffffff8d600f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: arc_buf_size+32]
    RIP: ffffffffc0811e20  RSP: ffffb5d7c2c439c0  RFLAGS: 00010246
    RAX: 0000000000000000  RBX: ffff974fbc750390  RCX: 0000000000000002
    RDX: ffff974f93b0f400  RSI: 00000000b0000202  RDI: ffff974f8fd61200
    RBP: 0000000000000002   R8: 0000000000000000   R9: 0000000000000000
    R10: ffff974f894d0cc0  R11: ffff974fa5393c60  R12: ffff974fbf7c4000
    R13: ffff974fb5a20000  R14: ffff974fbf7c4000  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#11 [ffffb5d7c2c439c0] osd_bufs_put at ffffffffc1f02d97 [osd_zfs]
    /home/green/git/lustre-release/lustre/osd-zfs/osd_io.c: 488
#12 [ffffb5d7c2c43a08] ofd_release_chunk_lnb at ffffffffc23b6882 [ofd]
    /home/green/git/lustre-release/lustre/include/dt_object.h: 2436
#13 [ffffb5d7c2c43a30] ofd_commitrw_write at ffffffffc23a2376 [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1761
#14 [ffffb5d7c2c43ad0] ofd_commitrw at ffffffffc23aa07c [ofd]
    /home/green/git/lustre-release/lustre/ofd/ofd_io.c: 1885
#15 [ffffb5d7c2c43ba8] tgt_brw_write at ffffffffc1715588 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/obd_class.h: 1189
#16 [ffffb5d7c2c43d78] tgt_handle_request0 at ffffffffc170dbf7 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lu_target.h: 644
#17 [ffffb5d7c2c43da8] tgt_request_handle at ffffffffc170f895 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../target/tgt_handler.c: 901
#18 [ffffb5d7c2c43e28] ptlrpc_server_handle_request at ffffffffc16079a3 [ptlrpc]
    /home/green/git/lustre-release/lustre/include/lustre_net.h: 2383
#19 [ffffb5d7c2c43e90] ptlrpc_main at ffffffffc160abc8 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/service.c: 3145
#20 [ffffb5d7c2c43f10] kthread at ffffffff8c757041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#21 [ffffb5d7c2c43f50] ret_from_fork at ffffffff8d6001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330